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Select the incorrect statement...

Select the incorrect statement

A

`._(7)N` has higher `1^(st)` ionization enthalpy than that of `._(8)O` atom.

B

`._(12)Mg` has higher `1^(st)` ionization enthalpy than that of `._(13)Al` atom.

C

`._(31)Ga` has higher `1^(st)` ionization enthalpy than that of `._(13)Al` atom.

D

`._(16)S` has higher `1^(st)` ionization enthalpy than that of `._(8)O` atom.

Text Solution

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The correct Answer is:
4
Down the group, the size of atom increases and therefore, distance between valence shell electron and nucleus increase. Thus the removal of valence shell electron will require less energy.
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